Untapped pine needles with high potential for energy generation in the hilly area are not only a waste of resource but also increase the chance of environmental hazards as forest fires and GHG emission. This study is conducted to propose a new hybrid system (PV/Wind/Biomass) using abundant pine needle resource as a replacement of existing roof-mounted PV/wind hybrid system and analyse the feasi...

OBJECTIVES Prosthetic replacement of the thoracic aorta with common Dacron prostheses impairs the aortic 'windkessel' and, in valve-sparing procedures, also aortic valve function. Elastic graft material may overcome these deficiencies. METHODS Fresh porcine aortas including the root were set up in a mock circulation before and after replacement of the ascending part with a novel vascular pros...

A series of 130 consecutive outpatients with recurrent aphthous stomatitis were screened at the oral medicine department, Glasgow Dental Hospital, for deficienciesin vitamin b12, folic acid, and iron. In 23 patients (17.7%) such deficiencies werefound; five were deficient in vitamin B12, seven in folic acid, and 15 in iron. Four had more than one deficiency. Out of 130 controls matched for a...

OBJECTIVES For adult patients <60 years with aortic valve disease, the Ross procedure is an attractive alternative to a prosthetic aortic valve. The Ross procedure enables surgeons to achieve a haemodynamically ideal aortic valve replacement. A potential drawback may be long-term durability, which varies considerably between series. METHODS Between 1996 and 2014, 209 patients (mean age, 43 ± ...

Rev Esp Cardiol. 2005;58(9):1003-6 1003 Despite the advances in surgical techniques, cardiopulmonary bypass circuits and the medical treatment of patients subjected to cardiac surgery, perioperative complications involving the nervous system continue to develop and the underlying mechanisms are sometimes poorly understood. Neurological complications (NC) in these patients can affect the brain, ...

Abstract: In recent years deadly earthquakes in seismic areas have caused special concerns regarding liquefaction phenomenon by researchers and specialists. Excess pore water pressure in loose sediments may cause phenomena such as boiling, shearing strength and dynamic stiffness reduction and lateral movements cause difficulties. Many remedial methods such as soil replacement with proper materi...

OBJECTIVES The aim of this paper is to describe the feasibility of a novel transcatheter approach for mitral valve replacement using only venous access. BACKGROUND Failure of mitral valve prostheses necessitating reoperation can represent a high-risk clinical scenario. Although repeat cardiac surgery remains the standard of care for most failed mitral valve operations, nascent transcatheter o...

hired is a large gold prospecting area which is located in south khorasan province, in the east of iran. gold mineralization is found in 4 target areas covering about 24 km2. the host rocks are mainly tertiary volcanics, some jurassic and cretaceous sediments. sub-volcanic rocks are of magnetite series (gabbros to diorite) and ilmenite series (granite-granodiorite-monzonite) which have intruded...